Tenth graders connect the history of geometry to problem solving. In this geometry lesson plan, 10th graders investigate polygons through hands on manipulatives and solve problems relating to parallelograms and triangles. They calculate...

Students create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. They construct a square and conjecture the following theorem: The sum of the areas of...

In this geometry worksheet, students calculate the midpoints of polygons using coordinate pairs. They find the  angle bisector, altitude and median of the given triangles. There are 33 questions.

In this geometry worksheet, students analyze a given triangle and side lengths, create an equation using the geometric mean, and finally solve the equation. There are 15 questions.

Fourth graders investigate the patterns associated with both triangular and square numbers. They use counters as manipulatives to depict the numbers as needed but focus on problem solving using mental math techniques.

Jump start children's math education with this fun basic skills resource. Offering dozens of different touch-and-swipe activities with colorful graphics, this program is perfect for all young learners.

Engage youngsters in exploring the wonderful world of shapes with this series of cut-and-paste activities. Offering a variety of materials from printable pattern blocks to a series of matching exercises, this resource will have your...

With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each...

Ensure your eighth graders get the most out of their math education with this series of Common Core checklists. Rewriting each standard as an "I can" statement, this resource helps teachers keep a record of when each standard was...

Which truck should the fire department purchase? Given a scenario with three different ladder trucks, pupil compare the height the ladders will reach. They determine which ladder trucks meet the cities' requirements and provide a...

Students perform transformation on their polygons. In this geometry lesson, students identify the correct transformation of each shape. They move the polygons around on a coordinate plane. There are extension and homework activities...

Students explore the design of sailboats. In this sailboat lesson, students recognize right triangles and find the missing side of the triangle. Students solve word problems and draw diagrams. Students relate the triangles to sailboats.

NOT A LESSON Students

Ninth graders explore a variety of geometry and science concept while making an origami frog. The fold paper into the shape of a frog and conduct measurement activities including frog leaps.

In this geometry learning exercise, 10th graders use a straightedge and a compass to construct congruent segments and angles, bisect a segment and an angle, construct perpendicular and parallel lines, construct tangents, circumscribe a...

In this proportions worksheet, students solve 8 word problems. Students determine the cost of an item given a unit cost. Students find a missing side length of a triangle using proportions of similar triangles.

Second graders investigate the task of making a large hexagonal plate by putting together smaller ones. The instructional activity has detailed example problems for the teacher to use during direct instruction. The manipulative...

Learners construct frieze patterns using translations and rotations. They will discuss how frieze patterns are similar to jigsaw puzzles and use Cabri Jr. to build a triangle frieze pattern using rotations, translations, and reflections.

Learners investigate properties of the unit circle using sine, cosine and tangent. They analyze the answers to questions about the unit circle based on a right triangle.

In this circle secrets- multiplication puzzle worksheet, 3rd graders attempt to determine the secret of three factors that are shown in a circle. They find the products of the numbers that are displayed in triangles, look at the numbers...

In this similarity activity, 10th graders solve and complete 14 different types of problems. First, they find the length of each segment given two lines parallel. Then, students find the measure of each segment of a parallelogram...

In this recognizing squares, circles, and triangles worksheet, students observe a drawing of a building and count and record the number of each geometric shape. Students write 3 answers.

In this recognizing a square, ovals, rectangle, and triangle worksheet, students observe boxes containing various shapes and follow the directions to identify and color each specific shape. Students color 8 shapes.

In this transformation worksheet, students reflect a triangle using the list function of a graphing calculator. There are 15 questions.